Science Worksheets and Study Guides Third Grade. What are Ecosystems?

The resources above correspond to the standards listed below:

Iowa Core Standards

IA.LS. Life Science
LS.1. Understand and apply knowledge of organisms and their environments, including:
LS.1.2. How individual organisms are influenced by internal and external factors.
LS.1.3. The relationships among living and non-living factors in terrestrial and aquatic ecosystems.